Charles 3653-36 Manual Download Page 11

Section 365-336-202

11

– Company name and address
– Contact name and phone number
– Inventory of equipment being shipped
– Particulars as to the nature of the failure
– Return shipping address

3.

Ship the equipment, purchase order, and above-listed information, transportation prepaid, to the ser-
vice center address shown below.

CI Service Center
503 N.E. 15th St., P.O. Box 339
Casey, IL 62420–2054

4.

Most repaired or replaced units will be returned within 30 or 45 days, depending on the product type
and availability of repair parts. Repaired units are warranted for either 90 days from the date of repair
or for the remaining unexpired portion of the original warranty, whichever is longer.

12.

SPECIFICATIONS

12.1

Agency Compliance

(a) Recognized under Underwriters Laboratories Standard 1459, Second Edition. Compliance is re-

stricted to inside plant wiring. Field repairs may void compliance.

(b) FCC P.15 Class A.

(c) Meets Canadian CSA and DOC requirements.

12.2

Electrical Specifications

12.2.1. Power

(a) POWER REQUIREMENTS: Power is supplied via the 3609–XX PSU which is part of the 360/363

Channel Bank common equipment.

12.2.2. Transmission

(b) 4W XMT INPUT TLP RANGE: +13.0 to –19.5dB.

(c) 4W RCV OUTPUT TLP RANGE: +13.0 to –19.5dB.

(d) TRANSMIT AND RECEIVE PRESCRIPTION ATTENUATION: 0.0 to 32.5dB in 0.1dB steps.

(e) LONGITUDINAL BALANCE (REFERENCED TO –16dBM TLP): 74dB minimum at 200Hz to 1KHz;

69dB minimum at 3kHz.

(f) SIGNAL TO DISTORTION RATIO: 35dB minimum at zero to –30dBm0; 29dB minimum at –40dBm0;

25dB minimum at –45dBm0.

(g) RETURN LOSS: 23dB minimum at 300Hz to 3KHz; 28dB minimum at 1kHz.

(h) TRANSMIT/RECEIVE IDLE CHANNEL NOISE: 20dBrnC0 maximum.

(i) TRANSMIT AND RECEIVE PATH FREQUENCY RESPONSE: (Referenced at 1kHz)

Summary of Contents for 3653-36

Page 1: ...otice Page 1 of 12 3653 36 4W Transmission Only with Extended Range and Loopback 4W TO ER LB Channel Unit CONTENTS PAGE Part 1 GENERAL 2 Part 2 INSPECTION 2 Part 3 APPLICATION GUIDELINES 3 Part 4 CIRC...

Page 2: ...es selectable tone loopback disable Prescription adjustable loopback level of up to 31 5dB of gain attenuation in 0 5dB increments Front panel manual loopback switch Front panel mounted bantam jacks f...

Page 3: ...4 CIRCUIT DESCRIPTION Refer to Figure 3 the 3653 36 block diagram as needed while reading the following circuit description 4 1 Transmit VF Path VF signals applied to the input T R pins 50 and 48 are...

Page 4: ...s dc sealing current sustains the normal resistance of the cable pairs and prevents degradation of transmission performance In the LP Loop position the simplex leads of T1 and T2 are shorted together...

Page 5: ...mentarily operated 4 6 7 5 6 Bit or 8 Bit Encoding Decoding The 3653 36 provides 7 5 6 bit or 8 bit encoding and decoding schemes for the transmit and receive paths to from the facility The 7 5 6 bit...

Page 6: ...d S7 ELL GAIN ATTN Equal Level Loopback Prescription Gain Attenuation Switch S6 is a 6 section DIP switch that provides up to 31 5dB of equal level loopback in 0 5dB steps S7 is a two position slide s...

Page 7: ...ansmit Alignment in Part 8 Switches S2 and S3 form a 9 section DIP switch that provides up to 32 5dB of attenuation in 0 1dB steps for adjusting the transmit path to the proper operating level at the...

Page 8: ...t be obtained XMT ATTN TLP 19 5 Use Table 2 for common TLP values For example for a 0 db transmit TLP set the sum of S2 and S3 to 19 5 by placing the switch sections shown be low in the ON position 2...

Page 9: ...nsmit TLP Values Desired TLP Set S3 S2 Desired TLP Set S3 S2 13 12 11 10 9 8 7 6 5 4 3 2 1 0 5 0 0 5 1 2 32 5 31 5 30 5 29 5 28 5 27 5 26 5 25 5 24 5 23 5 22 5 21 5 20 5 20 19 5 19 18 5 17 5 3 4 5 6 7...

Page 10: ...act Charles Industries Ltd for replacement or repair instructions or follow the Repair Service Procedure below 11 3 Advanced Replacement Service In Warranty Units Charles Industries Ltd offers an adva...

Page 11: ...Underwriters Laboratories Standard 1459 Second Edition Compliance is re stricted to inside plant wiring Field repairs may void compliance b FCC P 15 Class A c Meets Canadian CSA and DOC requirements...

Page 12: ...back l DETECTOR FREQUENCY Will detect within 2713 7Hz will not detect outside of 2713 35Hz m DETECTOR AMPLITUDE Will detect 0 0 to 30dBm0 will not detect less than 40dBm0 n DETECTOR TIMING Activate 2...

Reviews: